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From: David Mulder <dmulder@suse.com>
To: linux-cifs@vger.kernel.org
Subject: 128 bit uid/gid (UUID) possible?
Date: Tue, 23 Apr 2024 03:53:51 -0600	[thread overview]
Message-ID: <fdb2c85a-3692-4e99-a25b-4b17759071ba@suse.com> (raw)

I'm messaging linux-cifs about this, since it's a relevant topic for the 
Samba team (and I'm unsure of the appropriate ml for such a discussion).

What is the possibility of increasing the uid/gid size in the kernel 
from 32bits to 128bits? If possible, how large might such a project be? 
I imagine it could be quite disruptive, but I'm not sure of all the 
implications. My question relates to providing authentication 
capabilities for integrating with oauth2 applications, such as Azure, 
where the user and group object ids are UUIDs. In SSSD and Samba, we're 
currently in discussions about what the id mappings would look like, but 
I wonder if we could take a different approach and make the kernel 
compatible with larger ids instead?

-- 
David Mulder
Labs Software Engineer, Samba
SUSE
1221 S Valley Grove Way, Suite 500
Pleasant Grove, UT 84062
(P)+1 385.208.2989
dmulder@suse.com
http://www.suse.com


             reply	other threads:[~2024-04-23  9:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-23  9:53 David Mulder [this message]
     [not found] ` <54d8dccd-f224-4ad6-875c-774c45f9ba9b@suse.com>
2024-04-25 19:21   ` 128 bit uid/gid (UUID) possible? Linus Torvalds
2024-04-25 19:23     ` David Mulder

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